mozilla/fireplace — pull request #787 by cvan (2014-11-11 23:29:24+00:00)
Title: fix `window.performance.now` polyfill (bug 1090572)

bug:
https://bugzilla.mozilla.org/show_bug.cgi?id=1090572

test case:
http://jsbin.com/vihez/1/

test in IE 9:
http://netrenderer.com/index.php